The ODS creates two sets of ERM science files: the ERM fixed configuration period files and the ERM observation/slew period files. The former are ERM science files created for each ERM fixed configuration period (see Sect. 4.2). The ERM operates independently of the other XMM-Newton instruments and has fixed configuration periods which do not correspond to the observation/slew period concept. These files are a separate data type within the archive and do not constitute part of an ODF/SDF. In order to have the information of the radiation environment available for the time period of a given observation, an extract from the fixed configuration period files is made available with each ODF/SDF, and these files are described in this section. The two sets of files have the same format and structure. The only difference between them is the time periods covered.
The following files are created from the ERM observation/slew period telemetry packets:
One file for slew or observation is created.